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(上接第 15期 )( 2 )行输出电路该机的行输出电路包括行推动管Ｑ3 0 1、行推动变压器Ｔ3 0 1、行输出管Ｑ3 0 2、行输出变压器Ｔ3 0 2等电路。由ＩＣ2 0 1(ＴＢ12 4 0 ) 脚输出的行频开关脉冲 ,经Ｒ2 15、Ｒ3 0 6、Ｒ3 0 7送至推动管Ｑ3 0 1的基极 ,Ｑ3 0 1工作在开关状态。
(Continued on the 15th) (2) line output circuit The line output circuit of the machine includes the line push tube Q3 0 1, the line to push the transformer T3 0 1, the line output tube Q3 0 2, line output transformer T3 0 2 and other circuits. The line switching pulse output by IC2 0 1 (TB12 4 0) is sent to the base of push tube Q3 0 1 via R2 15, R3 0 6 and R3 0 7, and Q3 0 1 is switched on and off.